What are the synonyms for word bolster?

Here are some synonyms for "bolster," depending on the context:

To support or strengthen:

* Reinforce

* Support

* Strengthen

* Uphold

* Prop up

* Back up

* Encourage

* Fortify

* Buttress

* Shore up

* Sustain

To increase or improve:

* Enhance

* Boost

* Improve

* Augment

* Amplify

To make more comfortable:

* Pad

* Cushion

* Stuff

* Fill

The best synonym will depend on the specific meaning and context of the word "bolster" in your sentence.